https://www.letemps.ch/monde/vladimir-poutine-esquisse-futur-lointain-tete-russie
https://www.thedailybeast.com/trump-administration-battles-new-sanctions-on-russia
https://www.tagesschau.de/ausland/wer-nach-putin-101.html
https://www.rbc.ru/newspaper/2019/12/19/5dfa3b5f9a7947218af57cbc
https://www.kommersant.ru/doc/4198716
https://www.bbc.com/russian/news-50848779